(a) Notwithstanding any other provision of law, upon the termination of the 10-percent rate reduction for residential and small commercial customers set forth in subdivision (a) of Section 368, the commission may not subject those residential and small commercial customers to any rate increases or future rate obligations solely as a result of the termination of the 10-percent rate reduction.
(b) The provisions of subdivision (a) do not affect the authority of the commission to raise rates for reasons other than the termination of the 10-percent rate reduction set forth in subdivision (a) of Section 368.
(c) Nothing in this section shall further extend the authority to impose fixed transition amounts, as defined in subdivision (d) of Section 840, or further authorize or extend rate reduction bonds, as defined in subdivision (e) of Section 840.